Find the slope of the line through the given pair of points.(-3, -4), (-9, -4)
A. 6
B. 0
C. -6
D. undefined
Answer: B
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Write the number in expanded form.5253
A. (5 × 101) + (2 × 102) + (5 × 103) + (3 × 104) B. (5 × 100) + (2 × 101) + (5 × 102) + (3 × 103) C. (5 × 104) + (2 × 103) + (5 × 102) + (3 × 101) D. (5 × 103) + (2 × 102) + (5 × 101) + (3 × 100)
Provide an appropriate response.z varies directly as the square of x and inversely y. Find z when x = 12, y = 30, and the constant of combined variation is 5.
A. 1.04 B. 24 C. 72 D. 864
Identify ? and ? in the following expression which is the right side of the formula for cos (? - ?).cos (155°) cos (35°) + sin (155°) sin (35°)
A. ? = 35°, ? = 155° B. ? = 155°, ? = 35° C. ? = - 35°, ? = 155° D. ? = -155°, ? = 35°
The monthly demand for a certain brand of perfume is given by the demand equation 
where p denotes the retail unit price (in dollars) and x denotes the quantity (in 1-oz bottles) demanded. Find the rate of change of the price to the nearest hundredth of a cent per bottle when x = 1,000.
?
A. The rate of change of the price is -3.26 cents per bottle. B. The rate of change of the price is -2.46 cents per bottle. C. The rate of change of the price is 4.92 cents per bottle. D. The rate of change of the price is -10.46 cents per bottle.